Veratrum versicolor f. brunneum - orchidroots .

Veratrum versicolor f. brunneum (synonym of Veratrum maackii var. maackii)

Veratrum versicolor f. brunneum, Nakai 1937 (Kew)

Veratrum versicolor f. brunneum is a species in the Veratrum genus. This name is a synonym of Veratrum maackii var. maackii
No image available. Please try the accepted species maackii var. maackii